jQuery语法
<!DOCTYPE html>
<html>
<head>
<title>jquery的基础语法</title>
<script type="text/javascript" src="http://libs.baidu.com/jquery/2.0.0/jquery.js"></script>
</head>
<body>
<script type="text/javascript">
$(document).ready(function(){
$('button').click(function(){
if($('div').hide() = true){
$('div').show();
} else {
$('div').hide();
}
})
})
</script>
<div style="width: 100px; height: 100px; background-color: pink"></div>
<button>点击</button>
</body>
</html>